20-1687-2N | QualCast Valve Seat Insert
Applications:
- GM Diesel and Industrial: All years, all models with 262 C.I. (4.3L) OHV 12V Industrial Engine
- Dodge: Years 1968-1970, A100 Truck model with 318 C.I. (5.2L) Truck Carb. & F.I., Motor Home 16V Engine
- Dodge: Years 1975-1980, B100 model with 318 C.I. (5.2L) Truck Carb. & F.I., Motor Home 16V Engine
Interchange:
- Durabond: Part #70664
- Dynagear: Part #81150
- Fed-Mog/SPX: Part #24516872N
- K.O. Lee: Part #Z12CE
- SBI, Inc.: Part #SB16872N
- TRW: Part #IS312HN
Product Information
Product Information
Shipping & Returns
Shipping & Returns

20-1687-2N | QualCast Valve Seat Insert
20-1687-2N | QualCast Valve Seat Insert
Applications:
- GM Diesel and Industrial: All years, all models with 262 C.I. (4.3L) OHV 12V Industrial Engine
- Dodge: Years 1968-1970, A100 Truck model with 318 C.I. (5.2L) Truck Carb. & F.I., Motor Home 16V Engine
- Dodge: Years 1975-1980, B100 model with 318 C.I. (5.2L) Truck Carb. & F.I., Motor Home 16V Engine
Interchange:
- Durabond: Part #70664
- Dynagear: Part #81150
- Fed-Mog/SPX: Part #24516872N
- K.O. Lee: Part #Z12CE
- SBI, Inc.: Part #SB16872N
- TRW: Part #IS312HN
$3.26
Original: $10.86
-70%20-1687-2N | QualCast Valve Seat Insert—
$10.86
$3.26Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Applications:
- GM Diesel and Industrial: All years, all models with 262 C.I. (4.3L) OHV 12V Industrial Engine
- Dodge: Years 1968-1970, A100 Truck model with 318 C.I. (5.2L) Truck Carb. & F.I., Motor Home 16V Engine
- Dodge: Years 1975-1980, B100 model with 318 C.I. (5.2L) Truck Carb. & F.I., Motor Home 16V Engine
Interchange:
- Durabond: Part #70664
- Dynagear: Part #81150
- Fed-Mog/SPX: Part #24516872N
- K.O. Lee: Part #Z12CE
- SBI, Inc.: Part #SB16872N
- TRW: Part #IS312HN












